from collections import OrderedDict

word = OrderedDict()

word['append'] = '列表末尾添加元素'
word['insert'] = '列表中插入元素'
word['del'] = '列表中删除元素'
word['sort'] = '列表进行永久性排序'
word['sortde'] = '列表进行临时排序'
word['len'] = '列表长度'
word['range'] = '创建数字列表'
word['items'] = '遍历键—值对'
word['keys'] = '遍历键'
word['values'] = '遍历值'

for words, mean in word.items():
    print(words + ": " + mean)